Finding the Third Proportional to 13,413.94 and 18,217.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,413.94 : 18,217.88 = 18,217.88 : x
2. Step 2: Convert to fraction form
   13,413.94/18,217.88 = 18,217.88/x
3. Step 3: Cross multiply
   13,413.94x = 18,217.88 × 18,217.88
4. Step 4: Simplify right side
   13,413.94x = 331,890,969.52
5. Step 5: Solve for x
   x = 331,890,969.52/13,413.94
6. Step 6: Final answer
   x = 24,742.25